When a watch is sold at 7/8 th of the marked price, there is a profit of 25%. At what percentage more than the cost price has the marked price of the watch been fixed? [Give your answer correct to 2 decimal places.]
Aman goes from A to B at a speed of 40 km/h. Using the same route, he comes back from B to A, at a speed of 55 km/h. What is his approximate average speed for the whole journey?
A, B and C can do a piece of work in 10, 20 and 30 days, respectively. In how many days can A do the work if he is assisted by B and C on every third day?
A 750 metres long train crosses a stationary pole in 15 sec. Travelling at the same speed, this train crosses a bridge completely in 25 sec. What is the length of this bridge?
The following bar chart shows the revenue (in thousand rupees) generated from the sale of 5 different objects, 01 to 05.
The following bar chart shows the profit percentage gained through the sales of these 5 objects.
Profit percentage What is the cost incurred in the procurement and sale of 01?